.portrait-audio-controls {
  display: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (orientation: portrait) and (max-width: 700px) {
  .portrait-audio-controls {
    position: fixed;
    z-index: 27;
    right: auto;
    bottom: calc(8vh + 56px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    max-width: calc(100vw - 2 * var(--pad));
    padding: 2px 10px;
    border: 1px solid #555;
    border-radius: 24px;
    color: var(--cream);
    background: rgb(13 12 11 / 92%);
    box-shadow: 0 3px 0 #000;
    font-family: var(--mono);
    transform: translateX(-50%);
  }

  .portrait-audio-controls button {
    min-width: 58px;
    min-height: 44px;
    padding: 0 8px;
    border-radius: 20px;
    color: var(--osd);
    font-size: 14px;
    touch-action: manipulation;
  }

  .portrait-audio-controls input[type="range"] {
    width: min(38vw, 150px);
    min-width: 96px;
    min-height: 44px;
    margin: 0;
    accent-color: var(--osd);
    touch-action: pan-x;
  }

  .portrait-audio-controls output {
    min-width: 1.5ch;
    color: var(--osd);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
  }

  .portrait-audio-controls button:focus-visible,
  .portrait-audio-controls input:focus-visible {
    outline: 2px solid var(--cream);
    outline-offset: 2px;
  }
}